By adding a small amount of graphene nanoflakes to polymer solar cells -- which are thinner and more flexible than silicon solar cells, but not as efficient -- researchers have achieved a threefold increase in efficiency.(Source: University of Cincinnati)

"300,000 in annual sales by 2022 from just a few hundred in 2014" - ha, ha, I have never seen technology forecast 8 years out that came close within a factor of 10...I guess in 2022 nobody will remember this forecast so it is all good...I predict it will be 123,456,987,561 in annual sales by 2083...let's see who is right ;-)